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| ISO-3166-2 | Fips | Name of Subdivision | Capital | Population | area in km² | |
|---|---|---|---|---|---|---|
| 1 | AK | 02 | Alaska | Juneau | 660,633 | 1,498,302.0 |
| 2 | AL | 01 | Alabama | Montgomery | 4,530,315 | 134,445.2 |
| 3 | AR | 05 | Arkansas | Little Rock | 2,757,631 | 137,540.5 |
| 4 | AS | American Samoa | ||||
| 5 | AZ | 04 | Arizona | Phoenix | 5,863,809 | 294,377.9 |
| 6 | CA | 06 | California | Sacramento | 36,354,327 | 407,493.8 |
| 7 | CO | 08 | Colorado | Denver | 4,678,630 | 269,969.2 |
| 8 | CT | 09 | Connecticut | Hartford | 3,527,249 | 12,791.1 |
| 9 | DC | 11 | District of Columbia | Washington | 631,602 | 159.1 |
| 10 | DE | 10 | Delaware | Dover | 838,549 | 5,253.7 |
| 11 | FL | 12 | Florida | Tallahassee | 17,671,452 | 147,329.0 |
| 12 | GA | 13 | Georgia | Atlanta | 8,975,842 | 152,390.1 |
| 13 | GU | Guam | ||||
| 14 | HI | 15 | Hawaii | Honolulu | 1,284,220 | 16,702.2 |
| 15 | IA | 19 | Iowa | Des Moines | 2,955,010 | 145,046.1 |
| 16 | ID | 16 | Idaho | Boise | 1,416,564 | 215,931.8 |
| 17 | IL | 17 | Illinois | Springfield | 12,772,888 | 150,035.3 |
| 18 | IN | 18 | Indiana | Indianapolis | 6,265,933 | 94,430.9 |
| 19 | KS | 20 | Kansas | Topeka | 2,740,759 | 211,885.3 |
| 20 | KY | 21 | Kentucky | Frankfort | 104,221.3 | |
| 21 | LA | 22 | Louisiana | Baton Rouge | 4,515,939 | 119,605.8 |
| 22 | MA | 25 | Massachusetts | Boston | 21,149.6 | |
| 23 | MD | 24 | Maryland | Annapolis | 5,624,246 | 25,465.1 |
| 24 | ME | 23 | Maine | Augusta | 1,325,518 | 83,908.6 |
| 25 | MI | 26 | Michigan | Lansing | 10,147,096 | 250,179.6 |
| 26 | MN | 27 | Minnesota | Saint Paul | 5,141,953 | 224,398.8 |
| 27 | MO | 29 | Missouri | Jefferson City | 5,768,151 | 180,444.1 |
| 28 | MP | Northern Mariana Islands | ||||
| 29 | MS | 28 | Mississippi | Jackson | 2,901,371 | 123,822.9 |
| 30 | MT | 30 | Montana | Helena | 930,698 | 380,094.1 |
| 31 | NC | 37 | North Carolina | Raleigh | 8,611,367 | 127,994.8 |
| 32 | ND | 38 | North Dakota | Bismarck | 630,529 | 182,053.7 |
| 33 | NE | 31 | Nebraska | Lincoln | 1,757,399 | 199,843.3 |
| 34 | NH | 33 | New Hampshire | Concord | 1,316,216 | 24,192.5 |
| 35 | NJ | 34 | New Jersey | Trenton | 8,751,436 | 19,721.3 |
| 36 | NM | 35 | New Mexico | Santa Fe | 1,912,684 | 315,160.9 |
| 37 | NV | 32 | Nevada | Carson City | 2,399,532 | 286,363.1 |
| 38 | NY | 36 | New York | Albany | 19,274,244 | 136,758.7 |
| 39 | OH | 39 | Ohio | Columbus | 11,467,123 | 116,164.9 |
| 40 | OK | 40 | Oklahoma | Oklahoma City | 3,547,049 | 180,872.7 |
| 41 | OR | 41 | Oregon | Salem | 3,642,919 | 250,791.2 |
| 42 | PA | 42 | Pennsylvania | Harrisburg | 119,157.6 | |
| 43 | PR | Puerto Rico | ||||
| 44 | RI | 44 | Rhode Island | Providence | 1,090,292 | 2,795.5 |
| 45 | SC | 45 | South Carolina | Columbia | 4,229,842 | 80,385.0 |
| 46 | SD | 46 | South Dakota | Pierre | 770,184 | 198,281.4 |
| 47 | TN | 47 | Tennessee | Nashville | 5,935,099 | 108,977.1 |
| 48 | TX | 48 | Texas | Austin | 22,875,689 | 685,909.8 |
| 49 | UM | U.S. Minor Outlying Islands | ||||
| 50 | UT | 49 | Utah | Salt Lake City | 2,427,340 | 219,674.5 |
| 51 | VA | 51 | Virginia | Richmond | 103,819.0 | |
| 52 | VI | Virgin Islands of the U.S. | ||||
| 53 | VT | 50 | Vermont | Montpelier | 624,501 | 24,741.7 |
| 54 | WA | 53 | Washington | Olympia | 6,271,775 | 173,804.8 |
| 55 | WI | 55 | Wisconsin | Madison | 5,535,168 | 169,329.1 |
| 56 | WV | 54 | West Virginia | Charleston | 1,817,871 | 62,562.6 |
| 57 | WY | 56 | Wyoming | Cheyenne | 505,907 | 253,921.4 |
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